Copper Vacuum Insulated Bottle, 22ozVacuum insulation is a big deal if you care about beverage temperature change. Double wall construction means that hot liquids can remain hot up to 12 hours while colder choices can last a full 48 hours; that??? s two whole days. Furthermore, these bottles are condensation proof no sweating or slipping. Built to fit standard vehicle cup holders, the stainless steel sides are both scratch and fade resistant. .: One size: 22oz (0. 65 l) .: Spill proof